Signed-off-by: Karol Herbst <kher...@redhat.com>
---
src/compiler/Makefile.sources | 1 +
src/compiler/nir/meson.build | 1 +
src/compiler/spirv/nir_spirv.h | 4 +
src/compiler/spirv/spirv_to_nir_cl.c | 124 +++++++++++++++++++++++++++
4 files changed, 130 insertions(+)
create mode 100644 src/compiler/spirv/spirv_to_nir_cl.c
diff --git a/src/compiler/Makefile.sources b/src/compiler/Makefile.sources
index 1b6dc25f1ed..6265bdca359 100644
--- a/src/compiler/Makefile.sources
+++ b/src/compiler/Makefile.sources
@@ -346,6 +346,7 @@ SPIRV_FILES = \
spirv/spirv.h \
spirv/spirv_info.h \
spirv/spirv_to_nir.c \
+ spirv/spirv_to_nir_cl.c \
spirv/vtn_alu.c \
spirv/vtn_amd.c \
spirv/vtn_cfg.c \
diff --git a/src/compiler/nir/meson.build b/src/compiler/nir/meson.build
index 69de4121a73..d115022d134 100644
--- a/src/compiler/nir/meson.build
+++ b/src/compiler/nir/meson.build
@@ -221,6 +221,7 @@ files_libnir = files(
'../spirv/spirv.h',
'../spirv/spirv_info.h',
'../spirv/spirv_to_nir.c',
+ '../spirv/spirv_to_nir_cl.c',
'../spirv/vtn_alu.c',
'../spirv/vtn_amd.c',
'../spirv/vtn_cfg.c',
diff --git a/src/compiler/spirv/nir_spirv.h b/src/compiler/spirv/nir_spirv.h
index 7a16422b291..1ce7cbaf998 100644
--- a/src/compiler/spirv/nir_spirv.h
+++ b/src/compiler/spirv/nir_spirv.h
@@ -101,6 +101,10 @@ nir_function *spirv_to_nir(const uint32_t *words, size_t
word_count,
const struct spirv_to_nir_options *options,
const nir_shader_compiler_options *nir_options);
+nir_shader * spirv_to_nir_cl(const uint32_t *words, size_t word_count,
+ const char *entry_point_name,
+ const nir_shader_compiler_options *nir_options);
+
#ifdef __cplusplus
}
#endif
diff --git a/src/compiler/spirv/spirv_to_nir_cl.c
b/src/compiler/spirv/spirv_to_nir_cl.c
new file mode 100644
index 00000000000..de9bcaf0d20
--- /dev/null
+++ b/src/compiler/spirv/spirv_to_nir_cl.c
@@ -0,0 +1,124 @@
+/*
+ * Copyright © 2019 Red Hat, Inc.
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a
+ * copy of this software and associated documentation files (the "Software"),
+ * to deal in the Software without restriction, including without limitation
+ * the rights to use, copy, modify, merge, publish, distribute, sublicense,
+ * and/or sell copies of the Software, and to permit persons to whom the
+ * Software is furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice (including the next
+ * paragraph) shall be included in all copies or substantial portions of the
+ * Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
+ * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
+ * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
+ * IN THE SOFTWARE.
+ *
+ * Authors:
+ * Karol Herbst (kher...@redhat.com)
+ *
+ */
+
+#include "util/u_math.h"
+
+#include "nir/nir.h"
+#include "spirv/nir_spirv.h"
+
+nir_shader *
+spirv_to_nir_cl(const uint32_t *words, size_t word_count,
+ const char *entry_point_name,
+ const nir_shader_compiler_options *nir_options)
+{
+ struct spirv_to_nir_options spirv_options = {
+ .caps = {
+ .address = true,
+ .float64 = true,
+ .int8 = true,
+ .int16 = true,
+ .int64 = true,
+ .kernel = true,
+ },
+ };
+
+ nir_function *entry_point =
+ spirv_to_nir(words, word_count, NULL, 0, MESA_SHADER_KERNEL,
+ entry_point_name, &spirv_options, nir_options);
+
+ if (!entry_point)
+ return NULL;
+
+ nir_shader *nir = entry_point->shader;
+ nir->info.cs.local_size_variable = true;
+
+ nir_validate_shader(nir, "clover");
+
+ /* calculate input offsets */
+ unsigned offset = 0;
+ nir_foreach_variable_safe(var, &nir->inputs) {
+ offset = align(offset, glsl_get_cl_alignment(var->type));
+ var->data.driver_location = offset;
+ offset += glsl_get_cl_size(var->type);
+ }
+
+ /* inline all functions first */
+ NIR_PASS_V(nir, nir_lower_constant_initializers,
+ (nir_variable_mode)(nir_var_function_temp));
+ NIR_PASS_V(nir, nir_lower_returns);
+ NIR_PASS_V(nir, nir_inline_functions);
+ NIR_PASS_V(nir, nir_copy_prop);
+
+ /* Pick off the single entrypoint that we want */
+ foreach_list_typed_safe(nir_function, func, node, &nir->functions) {
+ if (func != entry_point)
+ exec_node_remove(&func->node);
+ }
+ assert(exec_list_length(&nir->functions) == 1);
+
+ nir_validate_shader(nir, "clover after function inlining");
+
+ NIR_PASS_V(nir, nir_lower_global_vars_to_local);
+ NIR_PASS_V(nir, nir_lower_system_values);
+ NIR_PASS_V(nir, nir_lower_global_vars_to_local);
+
+ bool progress;
+ do {
+ progress = false;
+ NIR_PASS(progress, nir, nir_opt_find_array_copies);
+ NIR_PASS(progress, nir, nir_opt_deref);
+ NIR_PASS(progress, nir, nir_opt_copy_prop_vars);
+ NIR_PASS(progress, nir, nir_opt_dce);
+ NIR_PASS(progress, nir, nir_split_var_copies);
+ NIR_PASS(progress, nir, nir_lower_var_copies);
+ NIR_PASS(progress, nir, nir_opt_dead_write_vars);
+
+ if (nir_options->lower_all_io_to_temps)
+ NIR_PASS_V(nir, nir_lower_io_arrays_to_elements_no_indirects, false);
+
+ NIR_PASS(progress, nir, nir_lower_constant_initializers,
+ (nir_variable_mode)(~0));
+ NIR_PASS(progress, nir, nir_copy_prop);
+ NIR_PASS(progress, nir, nir_opt_dce);
+ NIR_PASS(progress, nir, nir_opt_cse);
+ NIR_PASS(progress, nir, nir_opt_dead_cf);
+ NIR_PASS(progress, nir, nir_opt_if, false);
+ } while (progress);
+
+ NIR_PASS_V(nir, nir_remove_dead_variables, (nir_variable_mode)(~0));
+ NIR_PASS_V(nir, nir_propagate_invariant);
+
+ nir_variable_mode modes = (nir_variable_mode)(
+ nir_var_shader_in |
+ nir_var_mem_global |
+ nir_var_mem_shared);
+ nir_address_format format = nir->info.cs.ptr_size == 64 ?
+ nir_address_format_64bit_global : nir_address_format_32bit_global;
+ NIR_PASS_V(nir, nir_lower_explicit_io, modes, format);
+
+ return nir;
+}
--
2.21.0
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